WastewaterCentral Interceptor
A 15-kilometre gravity trunk sewer and pump station network reducing overflows across central Auckland.
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Northwest Inner City Upper Plateau Separation Project
A deep trunk sewer and drop shaft re-routing combined flows away from an overloaded waterfront interceptor.
Deep gravity sewer, drop shaft and odour control for a legacy combined system.
Construction ran beneath a congested, contamination-sensitive corridor, demanding strict environmental control and continuous public monitoring.
Scope of work
- Tunnels & Underground Engineering
- Construction Management
- Geohazards
Project facts
- System
- Combined → separate
- Depth
- Deep shaft
- Sensitivity
- Urban core
- Completion
- 2018
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WastewaterCentral Interceptor project details
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